Home / 77,153-163,786

Finding the Third Proportional to 77,153 and 163,786

Calculator

Solution

The third proportional to 77,153 and 163,786 is: 347,696.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,153 : 163,786 = 163,786 : x
  2. Step 2: Convert to fraction form
    77,153/163,786 = 163,786/x
  3. Step 3: Cross multiply
    77,153x = 163,786 × 163,786
  4. Step 4: Simplify right side
    77,153x = 26,825,853,796
  5. Step 5: Solve for x
    x = 26,825,853,796/77,153
  6. Step 6: Final answer
    x = 347,696.83

Related Problems

Find third proportional to 38,576.50 and 81,893
Half scale
Find third proportional to 154,306 and 327,572
Double scale
Find third proportional to 77,155 and 163,790
Similar ratio
Find third proportional to 115,729.50 and 245,679
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.